After a few years of daily use, the
battery inside the advanced (A.K.A. "smart" or "intelligent") key
fob remote control for the keyless entry system of a third
generation (2014, 2015, 2016, 2017 and 2018) Mazda Mazda 6 sedan can
become weak or stop working entirely.

Check out my DIY instructions for the
procedure (with the compatible replacement battery part number), by
clicking on the text link above or the thumbnail image to the left.

If you need to change a burnt out map
light bulb in the overhead console of your Mazda6 sedan (or you'd
like to upgrade both bulbs to brighter LED units), take a look at my
DIY tutorial for the procedure (with the compatible replacement part
number) by clicking on the text link above or the thumbnail image to
the left.

If you would like to upgrade the dome
light (A.K.A. rear passenger courtesy reading light) bulbs in the
headliner housing above the back seats of your Mazda6, check out my
DIY tutorial (with the compatible replacement part numbers) by
clicking on the text link above or the thumbnail image to the left.

If you need to
change a burnt out courtesy step light bulb at the bottom of the
plastic interior door panel in your Mazda 6 sedan (or you'd like to
upgrade it to a brighter LED bulb), check out my DIY instructions
for the procedure (with the compatible replacement part number), by
clicking on the text link above or the thumbnail image to the left.

If you need to change a burnt out
license plate light bulb in the trunk lid of your Mazda 6 sedan (or
you'd like to upgrade them both to brighter LED units), check out my
DIY instructions (with the compatible replacement part numbers) by
clicking on the text link above or the thumbnail picture on the
left.

If you'd like to change a burnt out
cargo area light bulb in the trunk of your Mazda 6 sedan, check out
my DIY tutorial (with the compatible replacement part number) by
clicking on the text link above or the thumbnail picture on the left
side of this paragraph.

The engine air filter element for the
SkyActiv-G 2.5L DOHC 16V VVT inline four cylinder motor in a Mazda 6
sedan should be cleaned at every oil change and replaced every two
to three years or about 30,000 to 45,000 miles depending on your
driving conditions.

Take a look at my DIY instructions
for the procedure (with the compatible replacement part numbers) by
clicking on the text link above or the thumbnail image to the left.

The best place to start when
troubleshooting any electrical problem with your Mazda 6 sedan is to
check for a blown fuse or a faulty relay in either the engine bay or
the interior passenger compartment electrical panels.

Check out my DIY tutorial for the
procedure by clicking on the text link above or the thumbnail image
to the left.

The iridium tipped OEM spark plugs in a
third generation (2014, 2015, 2016, 2017 and 2018) Mazda 6 sedan
with the SKYACTIV-G DOHC 16V VVT 2.5 liter inline four cylinder
motor can last up to 100,000 miles but they should be checked well
before that mileage.

Take a look at my DIY instructions
for the procedure (with the compatible replacement part numbers) by
clicking on the text link above or the thumbnail image to the left.